Comment 1 for bug 753610

I'm trying out the latest dev version of nxhtml from git (installed via el-get) in emacs 23.3.1 under Ubuntu 11.04, and I'm also seeing these errors.

Once it starts to happen, it seems a pretty much constant issue, and I can create a new empty buffer, switch to nxhtml-mumamo-mode, and immediately run into the error. Setting debug-on-error gives me the following in that situation: